Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel's energy can be released quickly to accomplish a task that demands high power. An industrial flywheel has a 2.0 m diameter and a mass of 260 kg. Its maximum angular velocity is 1400 rpm. A motor spins up the flywheel with a constant torque of 58 Nm. How long does it take the flywheel to reach top speed? How much energy is stored in the flywheel?

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Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel's energy can be released quickly to accomplish a task that demands high power. An industrial flywheel has a 2.0 m diameter and a mass of 260 kg. Its maximum angular velocity is 1400 rpm.

A motor spins up the flywheel with a constant torque of 58 Nm. How long does it take the flywheel to reach top speed?

How much energy is stored in the flywheel?       

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